PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

VSF1015CT8BSeal,conical,flared Tube Fitting

Howmet Global Fastening Systems Inc Div Rosan / Eagle Products · NSN 4730-00-789-4386 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-789-4386 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-789-4386. Primary manufacturer part number: VSF1015CT8B.
Features
  • Seal,conical,flared Tube Fitting — FSC 4730
  • 13 verified cross-references
  • Primary manufacturer: Howmet Global Fastening Systems Inc Div Rosan / Eagle Products
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Fluid conveyance
  • Hydraulic system plumbing
General Description

The Seal,conical,flared Tube Fitting, cataloged under National Stock Number 4730-00-789-4386, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Howmet Global Fastening Systems Inc Div Rosan / Eagle Products. This item has 13 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameSeal,conical,flared Tube Fitting
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersHowmet Global Fastening Systems Inc Div Rosan / Eagle Products (CAGE 66776); Raytheon Company Dba Raytheon (CAGE 82577); Reliable Industries Inc Dba Reliable Fastener Products (CAGE 08226); Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (CAGE 06581); The Boeing Company (CAGE 18355)
Technical Specifications
ParameterValue
NSN4730-00-789-4386
Primary Part NumberVSF1015CT8B
Item NameSeal,conical,flared Tube Fitting
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHowmet Global Fastening Systems Inc Div Rosan / Eagle Products
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5360-00-630-4687 INTERCHANGEABLE
Spring,helical,compression
5310-00-675-7246368424 INTERCHANGEABLE
Nut,dee Offset
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4730-00-764-7546DY90-C-32L INTERCHANGEABLE
Seal,conical,flared Tube Fitting
Del Aerospace Inc Dba Del Aerospace Inc
4730-00-871-13397M27A4 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
The Boeing Company Div Defense
4730-00-936-5186S0254A8 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
The Boeing Company
4730-01-267-1397S0254R6 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
The Boeing Company
4730-01-269-8096S0254R8 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
The Boeing Company
Cross-Reference Index
Part NumberManufacturer
VSF1015CT8B PRIMARY Howmet Global Fastening Systems Inc Div Rosan / Eagle Products (USA)
966216-106 PRIMARY Raytheon Company Dba Raytheon (USA)
S0254C8 Reliable Industries Inc Dba Reliable Fastener Products (USA)
VSF1015CT8B PRIMARY Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA)
S0254 The Boeing Company (USA)
VSF1015CT8B Howmet Global Fastening Systems Inc Div Rosan Products (USA)
DY90-T-8L PRIMARY Del Aerospace Inc Dba Del Aerospace Inc (USA)
11176113-2 Ballistic Missile Defense Systems Command (USA)
VSF1015CT8B Lin-Fasteners Inc (USA)
VSF1015CT8B Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
S0254C8 PRIMARY The Boeing Company (USA)
C3092CT8 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
DY90 Del Aerospace Inc Dba Del Aerospace Inc (USA)
Related Parts
5360-00-630-4687INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5310-00-675-7246INTERCHANGEABLE
NUT,DEE OFFSET
368424
4730-00-764-7546INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
DY90-C-32L
4730-00-871-1339INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
7M27A4
4730-00-936-5186INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
S0254A8
4730-01-267-1397INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
S0254R6
4730-01-269-8096INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
S0254R8

Frequently Asked Questions

What is NSN 4730-00-789-4386?

NSN 4730-00-789-4386 is a Seal,conical,flared Tube Fitting, manufactured by Howmet Global Fastening Systems Inc Div Rosan / Eagle Products, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-789-4386?

NSN 4730-00-789-4386 has 13 cross-referenced part numbers: VSF1015CT8B (Howmet Global Fastening Systems Inc Div Rosan / Eagle Products), 966216-106 (Raytheon Company Dba Raytheon), S0254C8 (Reliable Industries Inc Dba Reliable Fastener Products), VSF1015CT8B (Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply), S0254 (The Boeing Company) and 8 more.

What NSN replaces 4730-00-789-4386?

There are 7 known substitutes for 4730-00-789-4386: 5360-00-630-4687, 5310-00-675-7246, 4730-00-764-7546 and 4 more. Verify interchangeability with system specifications before substitution.

Is NSN 4730-00-789-4386 still in active supply?

NSN 4730-00-789-4386 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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